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Oliga [24]
3 years ago
7

A company analyzed how inventory was affected during the first five hours after a commercial aired for its product. The relation

ship is shown on the graph below.
What happens to inventory as each hour passes?
A.
The inventory decreases by 1 unit.

B.
The inventory decreases by 5 units.

C.
The inventory decreases by 10 units.

D.
The inventory decreases by 20 units.
Mathematics
1 answer:
nlexa [21]3 years ago
4 0
The answer is C i took the test a couple days ago
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One or maybe a little less
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A catapult launches a boulder with an upward velocity of 120 ft/s. The height of the boulder, h,
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Answer:

Reaches a maximum height of 235.00 feet in 3.75 seconds.

Step-by-step explanation:

The height of the boulder, h,  in feet after t seconds is given by the function is given by :

h=-16t^2+120t+10 .....(1)

For maximum height, put \dfrac{dh}{dt}=0

i.e.

\dfrac{d(-16t^2+120t+10)}{dt}=0\\\\-32t+120=0\\\\32t=120\\\\t=3.75\ s

Put t = 3.75 in equation (1). So,

h=-16(3.75)^2+120(3.75)+10\\\\h=235\ \text{feet}

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.

3 0
3 years ago
Write an equation of the line that passes through (-4, 1) and is parallel to the
LiRa [457]

Answer:

y-1=2(x+4) or y=2x+9

Step-by-step explanation:

y - 3 = 2(x + 7)

y=mx+b

m=2

(x1,y1) -> (-4, 1)

(y−y1)=m(x−x1)

plug in

y-1=2(x+4)

y-1=2x+8

y=2x+9

test:

(1)=2(-4)+9

1=-8+9

1=1

4 0
2 years ago
there are 750 people at a football game. Out of this number, 320 are students.  What percent of the people at the football game
Norma-Jean [14]
To do this problem you use is/of=percent/100
So:
320/750=x/100
cross multiply 
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divide both sides by 750
x=42.66 repeating

ANSWER: X=42.66 REPEATING
3 0
3 years ago
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Write the equation in slope-intercept form.<br> 5x +<br> 5y = 35
vekshin1

Answer:

y = -x + 7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

[Standard Form]   5x + 5y = 35

<u>Step 2: Rewrite</u>

<em>Find slope-intercept form.</em>

  1. Subtract 5x on both sides:                    5y = -5x + 35
  2. Divide 5 on both sides:                         y = -x + 7
4 0
3 years ago
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